Singapore International Airport, also known as Changi International, has flights departing and arriving from all parts of the world through more than 100 different airlines and cargo carriers. These carriers reach destinations in Europe, North America, South America, Asia, Africa, and Australia. Some of the longest flights in the world depart and arrive from Singapore International on the world’s largest aircraft. Since Singapore International Airport operates as a major hub for Southeast Asia, airlines from nearly every region on earth are represented. More than 6,100 weekly flights connect more than 200 cities in over 60 countries.

The largest carrier out of Singapore International Airport is Singapore Airlines. The airline operates out of terminal two and terminal three, providing flights to more than 60 destinations in every continent except Antarctica. The two non-stop flights to Los Angeles International and Newark International are considered the longest currently in operation according to flight time and distance. Singapore Airlines was one of the few carriers to operate the Airbus A380 on its launch. It also flies other large jumbo jets, including the A330, A340, and the Boeing 777. The airline is known for its luxury first-class accommodations and excellent service. Other Asian carriers that operate out of Singapore International Airport include SilkAir, Tiger Airways, and Jetstar Asia Airways. These airlines make up the majority of operations contained within the Southeast Asia region. Destinations include Phuket, Bangalore, Kuala Lampur, and Ho Chi Minh City.

Many major airlines in Europe, North America, and Australia have flights in and out of Singapore International. Delta Airlines and United Airlines operate flights to the United States, but unlike Singapore Airlines, they connect through Japan and China. British Airways uses Singapore Airlines as a bridge between London and Sydney; no current equipment can make a direct flight between those two cities. Qantas operates non-stop flights from Singapore to Adelaide, Brisbane, Melbourne, Perth, and Sydney. These flights often carry passengers going on to Frankfurt or London. Other major carriers at Singapore International include Lufthansa, Korean Air, Japan Airlines, Cathay Pacific, Air France, Air India, and Emirates.